Not sure if everyone is aware of this already but just wanted to share these links:
UI Test – Lists the test results provided by important validators and accessibility tools.
Web Accessibile – Gif flicker check for testing WCAG 1.0 Checkpoint 7.1
By the way, the accesskey is not supported in HTML 5 as per W3 Schools. Anyone know what they replaced it with? Or is there even a replacement/ altrenative?